noun stubble.
2. shackle ·vt to join by a link or chain, as railroad cars.
3. shackle ·noun hence, that which checks or prevents free action.
4. shackle ·noun a fetterlike band worn as an ornament.
5. shackle ·noun the hinged and curved bar of a padlock, by which it is hung to the staple.
6. shackle ·noun a link for connecting railroad cars;
called also drawlink, draglink, ·etc.
7. shackle ·noun a link or loop, as in a chain, fitted with a movable bolt, so that the parts can be separated, or the loop removed; a clevis.
8. shackle ·vt figuratively: to bind or confine so as to prevent or embarrass action; to impede; to cumber.
9. shackle ·vt to tie or confine the limbs of, so as to prevent free motion; to bind with shackles; to fetter; to chain.
10. shackle ·noun something which confines the legs or arms so as to prevent their free motion; specifically, a ring or band inclosing the ankle or wrist, and fastened to a similar shackle on the other leg or arm, or to something else, by a chain or a strap; a gyve; a fetter.